Triconex 3351S2 Analog Input Module

Availability: 2 left in stock

DescriptionThe Triconex 3351S2 is a specialized Analog Input Module engineered for integration into Tricon Triple Modular Redundancy (TMR) safety systems....

SKU: 3351S2

Manufacturer: Triconex
Product No.: 3351S2
Product Type: Analog Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 2100g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The Triconex 3351S2 is a specialized Analog Input Module engineered for integration into Tricon Triple Modular Redundancy (TMR) safety systems. This high-performance module is designed to interface with field sensors in demanding industrial environments, including power generation, petrochemical processing, and oil and gas refining. By providing 32 isolated input channels, the 3351S2 ensures high-fidelity signal acquisition and conversion, maintaining continuous oversight of critical process variables while adhering to stringent safety standards.

Features

TMR Architecture: Employs triple modular redundancy to ensure fault-tolerant operation and eliminate single points of failure.
High Channel Density: Features 32 isolated input channels for comprehensive field sensor monitoring.
Robust Signal Processing: Supports standard 4-20 mA DC input signals with 12-bit resolution.
Hot-Swappable Design: Facilitates module replacement during live operation, supporting continuous system availability and simplified maintenance.
Integrated Diagnostics: Hardware-based voting logic provides real-time fault detection and signal validation.

Technical Specifications

Model	3351S2
Brand	Triconex
Input Channels	32 (Isolated)
Signal Range	4-20 mA DC
Resolution	12-bit
Accuracy	< 0.15% of FSR
Update Rate	50 ms
Power Consumption	10 W
Operating Temperature	0 to 60 deg C

Installation Guidelines

Ensure the Tricon system is powered down or follow site-specific hot-swap safety protocols before inserting or removing the module from the chassis.
Handle the module using proper ESD (Electrostatic Discharge) protection measures to prevent damage to internal circuitry.
Verify that field wiring is properly routed and shielded to minimize electromagnetic interference (EMI) and noise ingress.
Ensure all galvanic isolation barriers are intact and that field-side wiring is correctly landed on the corresponding termination panel.
Confirm the module is fully seated in the rack slot to ensure reliable backplane communication.

FAQ

What is the primary function of the 3351S2 module?
The 3351S2 is an analog input module used in Tricon TMR safety systems to monitor 4-20 mA signals from field sensors with high reliability and fault tolerance.

Does this module support hot-swapping?
Yes, the 3351S2 is designed for hot-swapping, allowing maintenance personnel to replace the module without shutting down the entire Safety Instrumented System.

What type of redundancy does this module offer?
It is designed for TMR (Triple Modular Redundancy) systems, which use three independent input paths and hardware voting to ensure the integrity of the safety loop even if a component fails.

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Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

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Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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Engineering Lead, Germany

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We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.